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A comment on Bitcoin's mining difficulty has increased by 41.9% over the last 30 days. Parent comment

Re:Bitcoin's mining difficulty has increased by 41.9% over t... by wizeman on Monday December 21, 2015 @10:55PM (#10775722)
Well, consensus between whom? How would you do distributed, anyone can participate at any time, byzantine consensus but still prevent Sybil attacks?
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